Computer Diagnostics and Tuning Technical discussion on diagnostics and programming of the F-body computers

LT1 OBDII Seed/Key Algorithm?

Old Mar 6, 2004 | 07:55 PM
  #1  
'97 30th Anniversary Z/28's Avatar
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LT1 OBDII Seed/Key Algorithm?

Anyone out there know anything about the seed/ key algorithm for the LT1 OBDII cars? My seed is $31, $67 and I can't figure out the key. I don't really want to send 65535 commands to try to unlock it.
Old Mar 9, 2004 | 12:48 AM
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Re: LT1 OBDII Seed/Key Algorithm?

Originally posted by '97 30th Anniversary Z/28
Anyone out there know anything about the seed/ key algorithm for the LT1 OBDII cars? My seed is $31, $67 and I can't figure out the key. I don't really want to send 65535 commands to try to unlock it.
Try over on the HP Tuners bulletin board. There were several threads over the pas year covering it. http://www.hptuners.com/forum/YaBB.pl
Old Mar 9, 2004 | 12:03 PM
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Unhappy

Yea, those guys tried to help me out, alas the LS1 based seed didn't work.
Old Mar 9, 2004 | 03:51 PM
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If you've got LT1_edit, maybe you can snoop the bus, and get it from that.
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